Correct

三夏

/ sān xià /
Strokes

Example

As a Noun

three summer jobs (of harvesting, planting and field management)

1
Zhīyuán
支援
sānxià
三夏

help peasants in the three summer jobs—harvesting, planting and field management

As a Noun

three summer months [April, May and June in the lunar calendar]

As a Noun

third summer month; sixth lunar month